With the increasing of oil well and producing reserves, it is difficult for conventional artificial lift technology to meet the producing need.

随着油井深度及稠油动用储量的增加，常规举升工艺已很难满足生产的需要。

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With the increasing of oil well and producing reserves, it is difficult for conventional artificial lift technology to meet the producing need.

柱塞气举是通过在油管柱内上下循环运动的柱塞把地层产液举出地面的人工举升方法。

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